The package obarun-keyring was made to facilited the work about gpg key.
So, to make the change
So, to make the change
$ sudo pacman -Syy obarun-keyring
$ sudo mv /etc/pacman.d/gnupg /etc/pacman.d/gnupg.bak
$ sudo haveged -w 1024
$ sudo pacman-key --init
$ sudo pacman-key --populate archlinux
$ sudo pacman-key --populate obarun
$ sudo killall haveged